Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kazimierz SakwafiledCriticalKazimierz Sakwa
Priority to PL31454896ApriorityCriticalpatent/PL314548A1/en
Publication of PL314548A1publicationCriticalpatent/PL314548A1/en